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-rw-r--r--libcxx/include/cmath4
1 files changed, 4 insertions, 0 deletions
diff --git a/libcxx/include/cmath b/libcxx/include/cmath
index 0f06486fb34f..0901a23a2498 100644
--- a/libcxx/include/cmath
+++ b/libcxx/include/cmath
@@ -296,6 +296,10 @@ floating_point trunc (arithmetic x);
float truncf(float x);
long double truncl(long double x);
+constexpr float lerp(float a, float b, float t) noexcept; // C++20
+constexpr double lerp(double a, double b, double t) noexcept; // C++20
+constexpr long double lerp(long double a, long double b, long double t) noexcept; // C++20
+
} // std
*/